161061274 has 16 divisors (see below), whose sum is σ = 263793600. Its totient is φ = 73143360.

The previous prime is 161061269. The next prime is 161061283. The reversal of 161061274 is 472160161.

161061274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28162 + ... + 33394.

It is an arithmetic number, because the mean of its divisors is an integer number (16487100).

Almost surely, 2^161061274 is an apocalyptic number.

161061274 is a deficient number, since it is larger than the sum of its proper divisors (102732326).

161061274 is a wasteful number, since it uses less digits than its factorization.

161061274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 161061274 is about 12690.9918446117. The cubic root of 161061274 is about 544.0811878719.

The spelling of 161061274 in words is "one hundred sixty-one million, sixty-one thousand, two hundred seventy-four".